Lhotse | 2015 W Face

A USA expedition to Lhotse in 2015 via W Face, led by Dan Mazur. Summit reached on 25th April 2015. 8 members recorded.

Expedition Details

Field	Value
ID	8841
Imported	2026-03-06 18:04:49.359634
Expedition ID	LHOT15109
Peak ID	LHOT
Year	2015
Season	1
Host Country	1
Route 1	W Face
Route 2	-
Route 3	-
Route 4	-
Nationality	USA
Leaders	Dan Mazur
Sponsor	SummitClimb Lhotse Expedition
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	Czech Republic, Finland, Israel
Approach	-
Basecamp Date	2015-04-18
Summit Date	2015-04-25
Summit Time	-
Summit Days	7
Total Days	14
Termination Date	2015-05-02
Termination Reason	14
Termination Notes	Abandoned at 6100m due to earthquake
High Point (m)	6100
Traverse	False
Ski	False
Paraglide	False
Camps	0
Fixed Rope (m)	0
Total Members	5
Summit Members	0
Member Deaths	0
Total Hired	3
Summit Hired	0
Hired Deaths	0
No Hired	False
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(18/04,5350m),C1(25/04,6100m),xxx
Route Notes	-
Accidents	-
Achievement	-
Agency	Everest Parivar
Commercial Route	False
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	True
Primary ID	EVER15104
Checksum	2459918
Year	2015
Summit Success	False
O2 Summary	None
Route (lowercase)	w face

Members

Field	Value
ID	64144
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	01
Peak ID	LHOT
Year	2015
Season	1
First Name	Daniel Lee (Dan)
Last Name	Mazur
Sex	M
Age	0
Birth Date	-
Year of Birth	1960
Calculated Age	54
Citizenship	USA
Status	Leader
Residence	Longbranch, Washington
Occupation	Expedition organizer & leader
Leader	True
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	17
HCN	0
Checksum	2435219
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	daniel lee (dan) mazur
Year of Birth	1960
Year	2015
Age at Expedition	55
Role	Leader

Field	Value
ID	64145
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	02
Peak ID	LHOT
Year	2015
Season	1
First Name	Abraham
Last Name	Gross
Sex	M
Age	0
Birth Date	-
Year of Birth	1948
Calculated Age	66
Citizenship	Israel
Status	Climber (C3 only)
Residence	Leharim, Israel
Occupation	Professor
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	Not intending to go above C3
Necrology	-
Summit Bid	1
Summit Term	17
HCN	0
Checksum	2430895
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	abraham gross
Year of Birth	1948
Year	2015
Age at Expedition	67
Role	BC Only

Field	Value
ID	64146
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	03
Peak ID	LHOT
Year	2015
Season	1
First Name	Karel
Last Name	Masek
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	50
Citizenship	Czech Republic
Status	Climber
Residence	Sestajovice, Czech Republic
Occupation	Businessman
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	2015-04-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	Intended to summit
Necrology	-
Summit Bid	1
Summit Term	18
HCN	0
Checksum	2436598
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	karel masek
Year of Birth	1964
Year	2015
Age at Expedition	51
Role	Member

Field	Value
ID	64147
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	05
Peak ID	LHOT
Year	2015
Season	1
First Name	Matti Antero
Last Name	Sunell
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	51
Citizenship	Finland
Status	Climber
Residence	Helsinki, Finland
Occupation	Teacher
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	2015-04-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	Intended to summit
Necrology	-
Summit Bid	1
Summit Term	18
HCN	0
Checksum	2436135
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	matti antero sunell
Year of Birth	1963
Year	2015
Age at Expedition	52
Role	Member

Field	Value
ID	64148
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	04
Peak ID	LHOT
Year	2015
Season	1
First Name	Milan
Last Name	Sramek
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	54
Citizenship	USA
Status	Climber (C3 only)
Residence	Larchmost, New York
Occupation	-
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	Not intending to go above C3
Necrology	-
Summit Bid	1
Summit Term	17
HCN	0
Checksum	2435382
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	milan sramek
Year of Birth	1961
Year	2015
Age at Expedition	54
Role	BC Only

Field	Value
ID	64149
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	08
Peak ID	LHOT
Year	2015
Season	1
First Name	Thile Nurbu (Thile Nuru)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1974
Calculated Age	40
Citizenship	Nepal
Status	H-A Worker
Residence	Chheplung, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	2015-04-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	18
HCN	0
Checksum	2440176
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	thile nurbu (thile nuru) sherpa
Year of Birth	1974
Year	2015
Age at Expedition	41
Role	Hired

Field	Value
ID	64150
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	07
Peak ID	LHOT
Year	2015
Season	1
First Name	Pasang
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1985
Calculated Age	29
Citizenship	Nepal
Status	H-A Worker
Residence	Patle-4, Okhaldhunga
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	2015-04-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	18
HCN	0
Checksum	2444311
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pasang sherpa
Year of Birth	1985
Year	2015
Age at Expedition	30
Role	Hired

Field	Value
ID	64151
Imported	2026-03-06 18:06:05.675609
Expedition ID	LHOT15109
Member ID	06
Peak ID	LHOT
Year	2015
Season	1
First Name	Dawa Sange
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	43
Citizenship	Nepal
Status	H-A Worker
Residence	Diding-5, Makalu-Barun
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	2015-04-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	18
HCN	0
Checksum	2439079
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa sange sherpa
Year of Birth	1971
Year	2015
Age at Expedition	44
Role	Hired

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Daniel Lee (Dan) Mazur	M	1960	USA	Leader	Longbranch, Washington	Expedition organizer & leader	Details Other expeditions
Abraham Gross	M	1948	Israel	Climber (C3 only)	Leharim, Israel	Professor	Details Other expeditions
Karel Masek	M	1964	Czech Republic	Climber	Sestajovice, Czech Republic	Businessman	Details Other expeditions
Matti Antero Sunell	M	1963	Finland	Climber	Helsinki, Finland	Teacher	Details Other expeditions
Milan Sramek	M	1961	USA	Climber (C3 only)	Larchmost, New York	-	Details Other expeditions
Thile Nurbu (Thile Nuru) Sherpa	M	1974	Nepal	H-A Worker	Chheplung, Khumbu	-	Details Other expeditions
Pasang Sherpa	M	1985	Nepal	H-A Worker	Patle-4, Okhaldhunga	-	Details Other expeditions
Dawa Sange Sherpa	M	1971	Nepal	H-A Worker	Diding-5, Makalu-Barun	-	Details Other expeditions

References

Field	Value
ID	9312
Imported	2026-03-06 18:06:36.307770
Expedition ID	LHOT15109
Reference ID	01
Year	2015
Type	5
Journal	-
Author	-
Title	http://www.summitclimb.com/new/default.asp?linktype=r&mtype=smenu&vid=18&nid=249
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
LHOT15109	-	-	http://www.summitclimb.com/new/default.asp?linktype=r&mtype=smenu&vid=18&nid=249	-	-	-